Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 09:45

General

  • Target

    c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe

  • Size

    72KB

  • MD5

    014af3d9006e5971188b389857b36202

  • SHA1

    80e7c34e43ded54588b854db139f7613a258b00e

  • SHA256

    c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0

  • SHA512

    a1d6fcd15ddcc76d7680b17825e5a841cf325aeb7ca4fd147f31ea510588a91be4d94230d5742c26a1ec2d461a6a1326fddf7da94cc48a70f63d4295aa37b41e

  • SSDEEP

    1536:2OUaYzMXqtGNttyNJYq/9UyRJ3UwjeDQEO0hbkGX5J2OZV8bHnv:25aY46tGNttyXxiyRJ3UwVb0hBAOj8D

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe
        "C:\Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:844
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2028
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a4B3.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1992
            • C:\Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe
              "C:\Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe"
              4⤵
              • Executes dropped EXE
              PID:1152
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1968
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1664
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:596
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1440
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1760

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$a4B3.bat

            Filesize

            721B

            MD5

            a02962c39cbbb4b518af230d293c955c

            SHA1

            5d74c5b0e9b8ec4193b2191ee6f2c4692af528e6

            SHA256

            82b8540f1484629ce9ac3244fd8c7531d8c004c2b34e24e70c200957befa6d21

            SHA512

            606e7a5e6ab91fff0843d13167674b251496cf98fc6030adf606f0e04738ae3a4923555f2406abb541b026d77054a2501a33fd7598b067a8876f54a5c0e08467

          • C:\Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe

            Filesize

            39KB

            MD5

            54c88bfbd055621e2306534f445c0c8d

            SHA1

            960a171e826c077187fe634103874644327a6110

            SHA256

            032f7bb13ed19bd085193ef7912d758fdc2839d24a1e8d49bea354864d4920eb

            SHA512

            f992a4f6e7b6eba4e0e3dff10c886bf8aad96350659648bdecc1ada7518e6bb10f873d3ffb30f558364395115aae5a2f08ba24b0aa821f36980d8e9712fc6c51

          • C:\Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe.exe

            Filesize

            39KB

            MD5

            54c88bfbd055621e2306534f445c0c8d

            SHA1

            960a171e826c077187fe634103874644327a6110

            SHA256

            032f7bb13ed19bd085193ef7912d758fdc2839d24a1e8d49bea354864d4920eb

            SHA512

            f992a4f6e7b6eba4e0e3dff10c886bf8aad96350659648bdecc1ada7518e6bb10f873d3ffb30f558364395115aae5a2f08ba24b0aa821f36980d8e9712fc6c51

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            c18b18dca9c0b8674ca3b8829e31a1cb

            SHA1

            1dfaaf8ca3a57264c1cbd5ca7b29a4f116249f61

            SHA256

            66da25cd000c91d407565ceb253913e211c3031d6737948fd6b7e6bd0478ee4d

            SHA512

            611b1de7467d7708277f3377e18c4517b5c93291ae85d8ccde99b77a02b98ee0ee60105c74fc638487a98cd824e66d06130748a99db3cb0089020a0366d3fe73

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            c18b18dca9c0b8674ca3b8829e31a1cb

            SHA1

            1dfaaf8ca3a57264c1cbd5ca7b29a4f116249f61

            SHA256

            66da25cd000c91d407565ceb253913e211c3031d6737948fd6b7e6bd0478ee4d

            SHA512

            611b1de7467d7708277f3377e18c4517b5c93291ae85d8ccde99b77a02b98ee0ee60105c74fc638487a98cd824e66d06130748a99db3cb0089020a0366d3fe73

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            c18b18dca9c0b8674ca3b8829e31a1cb

            SHA1

            1dfaaf8ca3a57264c1cbd5ca7b29a4f116249f61

            SHA256

            66da25cd000c91d407565ceb253913e211c3031d6737948fd6b7e6bd0478ee4d

            SHA512

            611b1de7467d7708277f3377e18c4517b5c93291ae85d8ccde99b77a02b98ee0ee60105c74fc638487a98cd824e66d06130748a99db3cb0089020a0366d3fe73

          • \Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe

            Filesize

            39KB

            MD5

            54c88bfbd055621e2306534f445c0c8d

            SHA1

            960a171e826c077187fe634103874644327a6110

            SHA256

            032f7bb13ed19bd085193ef7912d758fdc2839d24a1e8d49bea354864d4920eb

            SHA512

            f992a4f6e7b6eba4e0e3dff10c886bf8aad96350659648bdecc1ada7518e6bb10f873d3ffb30f558364395115aae5a2f08ba24b0aa821f36980d8e9712fc6c51

          • \Users\Admin\AppData\Local\Temp\c4acff88678f9a7507b0e317b1c4f6edc1460772e9ec1f02d0f36773666c1bc0.exe

            Filesize

            39KB

            MD5

            54c88bfbd055621e2306534f445c0c8d

            SHA1

            960a171e826c077187fe634103874644327a6110

            SHA256

            032f7bb13ed19bd085193ef7912d758fdc2839d24a1e8d49bea354864d4920eb

            SHA512

            f992a4f6e7b6eba4e0e3dff10c886bf8aad96350659648bdecc1ada7518e6bb10f873d3ffb30f558364395115aae5a2f08ba24b0aa821f36980d8e9712fc6c51

          • memory/596-68-0x0000000000000000-mapping.dmp

          • memory/844-54-0x0000000000000000-mapping.dmp

          • memory/1152-67-0x0000000000000000-mapping.dmp

          • memory/1152-70-0x0000000075601000-0x0000000075603000-memory.dmp

            Filesize

            8KB

          • memory/1348-59-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1348-56-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1440-73-0x0000000000000000-mapping.dmp

          • memory/1664-62-0x0000000000000000-mapping.dmp

          • memory/1760-74-0x0000000000000000-mapping.dmp

          • memory/1968-71-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1968-58-0x0000000000000000-mapping.dmp

          • memory/1968-75-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1992-57-0x0000000000000000-mapping.dmp

          • memory/2028-55-0x0000000000000000-mapping.dmp